import java.util.Scanner;

public class Test {
    public static void main(String[] args) {
        Scanner scn=new Scanner(System.in);
        int n=scn.nextInt();
        if (n%2==0){
            System.out.println(n+"是偶数");
        }
        else{
            System.out.println(n+"是奇数");
        }
    }
}
